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Table 3 Concurrent validity of the VFR against a WFR for daily energy and nutrient intake, n = 35

From: Reliability and validity of assessing energy and nutrient intake with the Vienna food record: a cross-over randomised study

 

VFRa mean (SD)

WFRb mean (SD)

Mean diff. (%)

pc

Pearson’s r

pd

Energy (kcal)

2197 (490)

2119 (472)

77.5 (4)

0.165

0.78

< 0.001

Total fat (g)

91.0 (27.4)

86.7 (20.1)

4.3 (5)

0.234

0.66

< 0.001

SFA (g)

35.8 (11.8)

36.2 (9.3)

−0.4 (−1)

0.831

0.55

0.001

MUFA (g)

33.0 (12.0)

28.9 (7.2)

4.0 (12)

0.015

0.62

< 0.001

PUFA (g)

16.2 (7.0)

16.3 (5.6)

−0.1 (−1)

0.966

0.42

0.011

Cholesterol (mg)

364 (149)

371 (150)

−7.2 (− 2)

0.829

0.15

0.401

Protein (g)

87.2 (26.6)

86.5 (27.4)

0.7 (1)

0.811

0.80

< 0.001

Carbohydrates (g)

241 (50.9)

230.1 (58.8)

10.7 (4)

0.154

0.70

< 0.001

Fibres (g)

24.7 (9.0)

22.7 (9.4)

2.0 (8)

0.143

0.63

< 0.001

Total sugars (g)

85.3 (31.2)

90.8 (29.5)

−5.5 (−6)

0.180

0.70

< 0.001

Alcohol (g)

6.9 (8.8)

7.5 (9.6)

−0.6 (−9)

0.722

0.47

0.004

Calcium (mg)

1036 (400)

1052 (466)

−16.4 (−2)

0.759

0.75

< 0.001

Chloride (mg)

5733 (1907)

5316 (1604)

416.4 (7)

0.133

0.60

< 0.001

Iron (mg)

15.3 (6.9)

15.4 (6.9)

−0.1 (−1)

0.854

0.79

< 0.001

Iodine (μg)

112.6 (44.1)

108 (46.9)

4.6 (4)

0.535

0.55

0.001

Magnesium (mg)

418 (149)

400 (132)

18.4 (4)

0.345

0.68

< 0.001

Phosphorus (mg)

1416 (459)

1464 (489)

−48.0 (−3)

0.357

0.80

< 0.001

Potassium (mg)

3166 (802)

2989 (850)

176.4 (6)

0.100

0.72

< 0.001

Sodium (mg)

3386 (1200)

3141 (1062)

245.0 (7)

0.195

0.54

0.001

Zinc (mg)

12.2 (3.6)

11.7 (3.5)

0.5 (4)

0.213

0.76

< 0.001

Thiamine (mg)

1.3 (0.4)

1.3 (0.4)

0.0 (0)

0.485

0.65

< 0.001

Riboflavin (mg)

1.7 (0.6)

1.6 (0.5)

0.0 (0)

0.805

0.66

< 0.001

Niacin eq. (mg)

34.2 (10.3)

36.0 (12.7)

−1.8 (−5)

0.236

0.71

< 0.001

Vit B5 (mg)

4.6 (1.5)

5.0 (1.7)

−0.4 (−9)

0.107

0.67

< 0.001

Vit B6 (mg)

1.7 (0.7)

1.8 (0.8)

−0.2 (−12)

0.085

0.76

< 0.001

Vit B7 (μg)

52.2 (25.6)

59.0 (37.3)

−6.9 (−13)

0.235

0.48

0.004

Folic acid (μg)

289 (94.6)

312 (108)

−23.5 (−8)

0.136

0.61

< 0.001

Vit B12 (μg)

6.5 (7.4)

4.7 (2.2)

1.8 (28)

0.127

0.40

0.017

Vit C (mg)

99.5 (52.2)

170 (191)

−70.3 (−71)

0.023

0.43

0.010

Vit A - Carotene (μg)

7.6 (5.6)

5.2 (3.8)

2.5 (33)

0.021

0.22

0.200

Retinol eq. (μg)

1.7 (1.0)

1.4 (0.8)

0.3 (18)

0.130

0.30

0.082

Vit D (μg)

4.9 (8.9)

6.0 (8.8)

−1.1 (−22)

0.349

0.68

< 0.001

Tocopherol eq. (mg)

15.3 (8.2)

15.5 (8.7)

−0.2 (−1)

0.889

0.48

0.004

Vit K (μg)

222 (160)

158 (153)

64.0 (29)

0.004

0.69

< 0.001

Average

  

10%

 

0.60

 
  1. aVienna Food Record (VFR), completed over 4 consecutive days including 1 weekend day
  2. bWeighed food record (WFR), completed over 4 consecutive days including 1 weekend day
  3. c2-sided p-value derived from paired t-test
  4. d2-sided p-value derived from Pearson’s correlation